diff --git a/apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs b/apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs
index 3a6bb6f046..fb854601f5 100644
--- a/apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs
+++ b/apps/ethereum_jsonrpc/test/ethereum_jsonrpc_test.exs
@@ -57,7 +57,7 @@ defmodule EthereumJSONRPCTest do
             "invalid argument 0: json: cannot unmarshal hex string of odd length into Go value of type common.Address"
 
           EthereumJSONRPC.Parity ->
-            "Invalid params: invalid length 1, expected a 0x-prefixed, padded, hex-encoded hash with length 40."
+            "Invalid params: invalid length 1, expected a 0x-prefixed hex string with length of 40."
 
           _ ->
             raise ArgumentError, "Unsupported variant (#{variant}})"